Union Church
- Beaver Meadow Union Chapel
- Bellman's Union Church
- Berea Union Depot
- Big Spring Union Church
- Chestnut Ridge and Schellsburg Union Church and Cemetery
- Columbia Union Church
- Earlysville Union Church
- First Union Protestant Church of Mountain View
- Fletcher Union Church
- Foothills Baptist Church (Essex, New York)
- Grace Union Church and Cemetery
- Greek Catholic Church
- Greenwood Union Church
- Hamilton Union Church Rectory
- Highland Chapel Union Church
- Jensen Beach Christian Church
- Jonesboro Union Church
- List of RHPs in CA
- List of RHPs in CO
- List of RHPs in HI
- List of RHPs in IA
- List of RHPs in IL
- List of RHPs in IN
- List of RHPs in LA
- List of RHPs in ME
- List of RHPs in MI
- List of RHPs in MN
- List of RHPs in MS
- List of RHPs in NC
- List of RHPs in NH
- List of RHPs in NY
- List of RHPs in OH
- List of RHPs in PA
- List of RHPs in TN
- List of RHPs in VA
- List of RHPs in VT
- Makawao Union Church
- National Register of Historic Places listings in Logan County, Arkansas
- Northfield Union Church
- Old Union Church and Cemetery (Alfordsville, Indiana)
- People's Union Church
- Salem Union Church and Cemetery
- Sherman City Union Church
- South Berrien Center Union Church and Cemetery
- South Swansea Union Church
- St. Paul's Union Church and Cemetery
- Stark Union Church
- Sterling Union Pacific Railroad Depot
- Stetson Union Church
- Stone Mills Union Church
- Union Baptist Church (disambiguation)
- Union Cemetery (disambiguation)
- Union Chapel (disambiguation)
- Union Church (Australia)
- Union Church (Buckfield, Maine)
- Union Church (Columbia Falls, Maine)
- Union Church (Davis City, Iowa)
- Union Church (Durham, Maine)
- Union Church (Kipton, Ohio)
- Union Church (Naples, Maine)
- Union Church (New Haven, Vermont)
- Union Church (North Harpswell, Maine)
- Union Church (Oreana, Illinois)
- Union Church (Phillips, Maine)
- Union Church (Portsmouth, Rhode Island)
- Union Church (Round Pond, Maine)
- Union Church (Sibley, Louisiana)
- Union Church (South Wolfeboro, New Hampshire)
- Union Church Presbyterian Church (Union Church, Mississippi)
- Union Church and Burial Ground
- Union Church and School (Paris, Arkansas)
- Union Church of Dunnigan
- Union Church of Northeast Harbor
- Union Church of Pocantico Hills
- Union Church of Santo Domingo
- Union Church of Vinalhaven
- Union Church, Alabama
- Union Church, Mississippi
- Union Church, Wisconsin
- Union Church/St. Paul's Church
- Union Congregational Church (disambiguation)
- Union Episcopal Church (disambiguation)
- Union Meetinghouse (disambiguation)
- Union Presbyterian Church (disambiguation)
